How to Display Enum Member Display Names in an MVC Razor View?
Jan 27, 2025 am 09:31 AM
Display the DisplayName property of enumeration members in an MVC Razor view
When working with enumerations, you often need to retrieve the display name property to display its user-friendly name. This Stack Overflow question addresses this need, especially in the context of MVC Razor views.
The task is to create a list of selected values ??from the model's Promotion property, each value displayed along with its associated display name. The user-provided code snippet demonstrates retrieval of the enumeration value, but lacks a way to retrieve the display name property.
The solution lies in the EnumExtensions class provided in the accepted answer:
public static class EnumExtensions
{
/// <summary>
/// 一個通用的擴展方法，用于反射和檢索應(yīng)用于`Enum`的任何屬性。
/// </summary>
public static TAttribute GetAttribute<TAttribute>(this Enum enumValue)
where TAttribute : Attribute
{
return enumValue.GetType()
.GetMember(enumValue.ToString())
.First()
.GetCustomAttribute<TAttribute>();
}
}
Retrieving the display name property becomes very simple using this extension method:
var seasonDisplayName = Season.GetAttribute<DisplayAttribute>();
Console.WriteLine("現(xiàn)在是什么季節(jié)？");
Console.WriteLine(seasonDisplayName.Name);
In your Razor view, you can modify the code to include the display name as follows:
@currentPromotion.GetAttribute<DisplayAttribute>().Name
This approach improves user experience by allowing you to dynamically display the display names of enumeration members in the view.
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